AOS vs Swiper

Head-to-head usage across the sites we track.

Top sites by authority

AOS · Swiper · how many of each technology's sites sit in the web's highest authority tiers

Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.

By country

AOS · Swiper · share of sites in each country using one or the other

United States 89,280

491,705

India 59,977

274,591

Brazil 22,573

234,477

Germany 34,536

213,155

Japan 27,558

207,032

United Kingdom 37,571

182,905

France 33,083

185,131

Italy 24,311

160,103

Audience countries from the Chrome UX Report, top markets of either technology.

Real user performance

Median site's p75 values from the Chrome UX Report, Jun 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.

Sites that switched

Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.

All AOS sites · All Swiper sites